Lungfish can survive out of water for years by encasing themselves in mucus.

The human brain contains about 86 billion neurons.

Fact #1676 · Human Body

The brain consumes a significant portion of the body's energy.

Fact #967 · Human Body

The human skeleton is made up of over 200 bones in adulthood.

Fact #34 · Human Body

A gecko can climb vertical surfaces using microscopic hairs on its feet.

Fact #415 · Human Body

The human skeleton renews itself over time.

Fact #133 · Human Body

There are more possible shuffles of a deck of cards than seconds since Earth formed.

Fact #1675 · Human Body

Ankylosaurs had armored bodies and clubbed tails.

Fact #629 · Human Body

The Peloponnesian War lasted nearly three decades.

Fact #1442 · Human Body